Sorting machine



Nov. 4, 1952 H. P. I UHN soRTING MACHINE Filed April 18, 195o 15 Sheets-Sheet l INVENTOR HANS P UH/V ATI'ORN EY H. P. LUHN SORTING MACHINE Noir. 4, 1952 Filed April 18, 1950 15 Sheets-Sheet 2 WN www RN www @En k w lNvEN'roR HANS l? LUHN ATTORNEY Nov. 4, 1952 H. P. LUHN 2,616,561

soRTING MACHINE y Filed April 1s, 195o v 15 sheets-sheet :s

INVENTOR HANS l? UH/V BY Mownw Il ATTORNEY H. P. LUHN SORTING MACHINE Nov. 4, 1952 l5 Sheet-Sheet 5 Filed April 1s, 195o /A/VS R UH/V ATTORNEY @MMI Nov. 4, 17952 H. P. LUHN soRTING MACHINE l5 Sheets-Sheet 6 Filed April 18, 1950 Nov. 4, 1952 H, P LUHN 2,616,561

SORTING MACHINE Filed April 18.' 195o 15 sheets-sheet 7 CODE SELECTR SW/ TCH/5S c00E-F o Z-Z o G-P o CODE D A-F SPEC. O

C005 C G C005 B O Q-Z G C205 P o A-F O OOOOOOOOO OOOGOOOOOO OGOOOOOOOGOOOOOOO OOOOO'OOOCDOOOO'OOOG STA NDAR solar 220 2/ INVENTOR HANS F LUHN BY M S MTM ATTORNEY Nw. 4, 1952 H. P. UHN 2,616,561

Y SORTING MACHINE Filed April 18, 1950 l5 Sheets-Sheet 8 EE A1-lNDfix sERlEs Qeiahlllmneeqrugr/.uu

DECKU 11 O UUD 1 DUD DECK I z n n u n u 3 UUUU 4- SUIJD HUUB UUDU DEUD UDDD 6DUU UUDD UDUl] U D l] 7UDD UDD UDDI] UDUU DUDE DEI BUD DU UDDI] UDDI] UDDU U 9D UUUU vQUEI] 4UU U UDDI] l: 4 A2? lNDEx SERIES DECK u o n n n u u n n n n n n u n u u u u n u n u I n u u n n n u u n n n u n n u n n u n u n DECK I 2 u n u n n u u n n n n nu n n u n n n u n ann nnnn unuu nunn unna nun 4u Dunn Dunn Dunn muuu muuu 5 u n u D u 6 n n n u n DECK l. Y n n n n n 8 n n n n u 9 n n n u u INVENTOR HANS PLZ/HN ATTORNEY Nov. 4, 1952 H. P. LUHN 2,616,561

6 SORTING MACHINE Filed April 18, 1950 15 Sheets-Sheet 9 Bl flNDEX SERIES B2 -INDEX SERIES 9j# @no #c/vf 0 9# n* g1* g1# w El 6 1* 3 @if 9 1* 9Q*0 *9 Q. @1922*1@ 4 0*5 0*6 0*7Q*8 0* 93* Y DECKU x onnuununnnunnnn muuu nu lunnunnnnuuu Dunn nu nu DECK] 2unnnnuuunn Dunn nnuu nun TENS 3 [1n-HUUB unnnnun 4 ununnunuunnnu 50u n n uunnnnununnuununnn nnnunnunnuuuu DECKL UNITS 'Innunnnunnunnu nun n u 9 unna n INVENTOR HANSP/ UHN- tm Q-MTW ATTORN EY Nov. 4, 1952 H. P. Lul-IN E 2,616,551

` soRTING MACHINE Filed April 18, 195o 15 sheets-sheet 1o DECK U TES?- DECKI UNITS DECK L TENS ocnummhwmo' Cl -MAJOR SERIES (l2-MAJOR SERIES 1 3 (superscripts Q Q (sup'erscrpts g g i accompanied b y XorY) 2 l 2 accompanied b yXorY .fr Y DECKUQ y DECK U t o` n n un o 1 D l] D [l 1 YJESIKTSI 2 D n D D 2 3 I] l] l] D 3 4 n n n n 4 5 5 DECK L DECK L 2 TENS 8 TENS 8 9 9 i5- 51 E- E INVENTOR HANS P LUHN BY gn Q ATTORN EY Nov. 4, 1952 H, P, LUHN 2,616,561

SORTING MACHINE Filed April 18, 1950 15 Sheets-Sheet l1 nick Y t1 DDDDDDDD D D uununnnnnn D DDD D D D D D D DD DDDD D D D D DDDDD DDD DD D-DD DD D DD D DD D- D DD D D D DD D DD D D DD D D D D D DD D D D D DD D D D D D D D D DD DD D D DD DD D D D DD DD DD DD DD DD DD D D D D DD DD D D DD DD D DDD D D D DDD DD D DDD DDD DD D DDD DDD D DD DDDDDD DDDDD D DD D DD D D DDDDD D DD D DD D2 MAJOR SERES (accompanied by XorY) subscript superscmpt DDD DD D l] DD DD D DD D D D D DD D DD D DDD D D D DD DD D D DD DD D D D D DD D D DD DI] D D DD D D D D D DD DD DD DD DD DD DD D D D D D D D D DD- DD DD D DDD DDD DDD DDD DDD DD D D DD D DD DDD DDD DDDDDD DDD DU D D DD DD D DDDD DD D DI] D DD DDDDDDDDDD DECK DECK DDDD DDD DD D D D DDD DD DDD DDD DD DDDDD II-Ell- D D DD DDDD DD INVENTOR ATTORNEY Nov. 4, 1952 H, L UHN 2,616,561

SORTING MACHINE Filed April 18, 1950 15 Sheets-Sheet l2' FI -MINOR SERIES F2 -MINOR SERIES /o/1/2/3/4/5/6/7/s/9 o 1 2 a 4 5 6 7 e 9 (superscripfs) DECK Y nnnnuunnnn DECK{Y nuuunnnuuu U x nuuuununuu U X unnuununun o 0 n-un nu n 1 1 un un n n DEICK 2 DEICK 2 u nu un n 3 3 nun uuu 4 4 mnuuun 5 uuu nu D 5 DECK 6 1U D U U DECK 6 1 u un nu n 7 I I..

8 uuu uuu 8 9 unnunu 9 IEE-1E- fifa-15- GI MINOR SERIES G2 MINOR SERIES (subscrlpfs) o1 -oa -os o1 -09 -11 -21 -31 -41 a1 o3 o5 o1 o9 11 21 s1 41 -oo -o2 -04 1a-oa *1o 2o -ao -40 -49 oo o2 o4 o6 oa 1o 2o an 4o 49 Yunnnnnnuununuuunnnn unnnuuun'uunnununnunx x unnnnnunununuunuunu unnnnnnunnnnnnunuun 0 un n 1| nnnnunnn unnnnunuun 21u n u u u n u n n nu z 2 Dn n u n U u U un D3 uuu n u* unf 4 Dunn n umn sunnnnunnun un n u nnnuunuu n 6 nn ,C2 u n n u n u n n E? un -Z- nu u u u n n u I" 8 un uuu u n 9 uuu muuuv n] l5-14 1E-l5- 'INVENTOR BY CQ Ig.. MTM

ATTORNEY H. P. LUHN SORTING MACHINE Nov. 4, 1952 Filed April 18, 1950 ATTORNEY md5@ wk Patented Nov. 4, 1952 SORTING MACHINE Hansv P. Luhn, Armonk, N. Y., assignor to International Business Machines Corporation, New York, N. Y., a corporation of New York VApplication April 18, 1950, Serial No. 156,691

2 Claims.

This invention 'relates generally to improvements in record controlled machines and more specically to a sorting machine for record cards.

The inventionifurther relates to'tlre 'sorting of record or `detail cards'having character or symbol designations punched'therein pursuant to "a new and `novel .fixed 'iive hole 'coding system. This novel coding system Yconsists of 'iive perforation's vbeing punched `in a 'single column of a detail card vdivided 'into .three decks in 'various combinations among twelve 'possible 'recording positions disposedwithin'the 'three decks 'of the record card. The '792 'possible iive-hole 'combinations yare distributed amongst three main classifications or series, rnamely,'the index, the major and the minor series Where each 'series issubdivided into subseries. .In order to` prepare the sorter for'a sorting voperation upon a plurality of 'cards containing data 'in codiiiedorm, it is necessary'that the sorter be 'initially co'nditioned for'such an operationby'themanualsetting of a numerical order switch, a code 'group differentiating switch, anda' code' selector switch.

y'The initial 'step to'be taken'in'conditi'oning the sorting machine for a sorting Voperation is to move the code selector switch tothe contact position corresponding to the subseries 'in which the desired'sort -isto `be made. The code 'selector'switch which controls the 'allied circuits for' sorting the various coding subseries has `a corresponding position 'for each of the `subseries and 'in case of those' subseries having more than ten characters or Isymbols there is `one 'contact position for each tencharacters.

jIn the coding arrangement employed the units and' tens digits of a two digit number'are represented' within ra single 'column' of the 'card "thereby 'necessitating two 'sorts upon a single column during `a numerical 'sorting `operation. The numerical order switch enables -such `an operation to be performed inasmuch as by'being set in the lower order position for the first sort and the higher order position for the `second sort it is able to differentiate between the two digits thereby causing'the detail'card to be sorted into the related designation pocket for each `sorting operation.

The subseries of the' unique coding system are further divided into two groups 'where the coding arrangement of one 'group is the mirrored image of the other group. In order to difierentiate between the two groups of a subseri-es it is necessary that the code group differentiating switch be positioned such that a'sorting circuit may be completed for the group desired. The code group switch in conjunction with a pair of pulse distributors connected in parallel -enables the data detected in a column punched pursuant to either one of the two code groups to be stored in th-e same group of storage tubes.

The setting of the various switches conditions the sorting machine such that when a coding arrangement of the selected subseries is detected in a detail card 'during a iirst card cycle, the data detected is initially stored in a plurality of 4gas tubes-and is then subsequently transferred within the same card cycle'to associated relays for priming the decoding circuits for operation within the following card cycle. In the following `card cycle, the decoding circuits translate the codilied data to the representative designation thereby causing the card pockets to receive cards with related designations.

The principal object of'the invention is to provide a machine'which is capable of sorting data bearing re'cord cards where the data are represented therein by means of either a `single-hole or va combinational-hole coding arrangement.

Another object of the invention is to provide a machine having decoding means for properly sorting data bearing record cards into a designated card pocket where the datal are represented in a card by a new and novel coding arrangement.

A further object of the invention is to provide a machine capable of selectively sorting record cards bearing codiiied data represented therein according to one of the three coding series.

A still further object of theinvention is to pro- Vide 'a sorting machine having means for decoding a coding combination within a particular column of a detail card such that said rcard is deposited in the card pocket bearing a related character or symbol designation as represented by said coding combination.

A still further object of the invention is to provide a sorting machine which is adapted to sort record cards bearing selected designations in codified form of .a particular coding series into related card pockets, and to preliminarily sort the remaining designations of said series in preparation for a subsequent sorting operation on said remaining designations.

Other objects of the invention will be pointed out in the following description and claims and illustrated in the accompanying drawings, which disclose, by way of example, the principle of the invention and the best mode, which has been contemplated, vof applying that principle.

In the drawings:

Fig. l is a partial vertical section of the well known sorting machine.

Fig. 2 is a diagram showing the order in which the figures constituting the wiring diagram are to be arranged.

Figs. 2a, 2b, 2c,2d, 2e and 2f which taken together' and arranged in the order designated in Fig. 2 constitute a wiring diagram of the electric circuits of the sorting machine.

Figs. 3 to 15 represent the several series and subseries grouping of a new and novel coding arrangement.

Fig, 16 is a chart summarizing the several groupings.

Figs. 17a and 17h are timing diagrams showing the operation of the sorting machine.

Fig. 18 is a detail card showing perforations in accordance with the new coding arrangement.

THE RECORD CARD In order that the invention described herein may be fully appreciated and understood, a description of the novel coding arrangement employed therewith will rst be described.

The'record card is shown and described in copending application Serial No. 153,197, led March 31, 1950, wherein the novel features thereof are claimed.

The record card in which statistical or other reference data are to be recorded, in accordance with the present invention, takes the form of the well known IBM machine controlling record card, which is provided as shown in Fig. 18 with the usual 80 vertical columns of punching or recording positions, each of which columns contains twelve so-called index point positions designated Y, X, 0, l, 2, 3, 4, 5, 6, '7, 8, 9. For purposes of the present invention, the card is subdivided into three so-called decks, of which the upper deck U includes the Y and X positions, the intermediate deck I includes the to 4 positions, and the lower deck L includes the remaining positions to 9.

Data are recorded in the card columns by utilization of a code in which combinations of ve holes distributed among the twelve possible recording positions in each column are grouped, to provide an arrangement that is more suitable for interpretation, and will enable the recording of more data in a given length of record card, i. e., a given number of card columns, than has heretofore been accomplished. This is effected by distributing the '792 possible ve hole combinations in what may be designated as index, major and minor series, which are broadly distinguishable in that the index series contains no perforaticns in deck U; the major sets contains a perforation in either the -X or Y position in deck U; and the minor series has perforations in both the X and Y positions of deck U.

INDEX SERIES The several live hole combinations included in the index series are represented in Figs. 3, 4, 5 and 6 from which, it will be noted, that this series is subdivided into what may be termed subseries A1, A2, Bl and B2.

Index series A1.-Referring particularly to Fig. 3 this subseries comprises ve-hole combinations wherein four holes are grouped in deck L and the fth hole lies in deck I, and also the special case where all ve holes or designations lie in deck L. These different combinations of which there are twenty-six may have assigned to them designations such as indicated along the top edge of the record to identify them as, for example, lower case letters as further distinguished by an underscoring mark.

It will be noted that in this subseries the hole arrangement in the lower deck L with the exception of the arrangement of all live holes beine 4 in the L deck repeats for each successive group of five letters, and that the location of the hole in deck I will identify to which section of the alphabet the lower group relates.

It is to be noted that in-Fig. 3 and other coding diagrams that the recording columns are spaced apart a greater distance than they would occur on the record card. rlhis is done to enable easier identication of the combinations occurring in the various columns.

Index sefrieslA2.-In Fig. 4 are grouped all the five hole combinations wherein ve or four of the positions occur in the intermediate deck I and the remaining designation occurs in deck L. This provides a group of 26 diierent characters to which may be assigned another set of characters as indicated along the upper edge of the record, and may relate to upper case letters of the alphabet accompanied by an underscoring mark.

A comparison of the coding in Figs. 3 and 4 will show the facility with which a designated character may be identified in the present arrangement. Taking any of the combinations illustrated, the absence of perforations in deck U, identies it as being in the index series, the grouping of either four or five holes in a single one of the decks identies it as an alphabetic character. The location of these four or ve holes in deck I would identify it as an upper case letter, while if the four or ve holes occur in deck L it would be identied as a lower case letter.

It is to be particularly noted that the distinction between the subseries A1 and A2 lies in the fact that there is a transposition of decks, i. e. deck L of Fig'. 3 is the same as deck I in Fig. 4, and similarly deck I of Fig. 3 is the same as deck L of Fig. 4.

Index series B1.-In Fig. 5 it is shown how all the combinations, wherein three holes lie in deck L and two holes lie in deck I, are utilized to represent a hundred different things which for convenience are identied along the top edge of the record as 2-place numerals accompanied by an underscoring mark. In addition thereto, the two numerals are represented in a single column as a 2-place number with the tens digit identied by the three hole combination in deck L and the units digit by the 2 hole combination deck I. This arrangement might be termed a combination within a combination in that the units digits within deck I are represented in the form of a two hole combination, that is, by perforations in various pairs of the possible ve positions in this deck, while in deck L the tens digits are represented by perforations in three of the possible live hole locations.

Index series B2.-This series (Fig. 6) provides a further arrangement utilizing all the ve hole combinations numbering 100. in which three of the ve designations occur in deck I while the remaining two occur in deck L. Each combinational arrangement is identiable as a 2-place number followed by the number sign the three hole combinations in deck I identify the tens digit of the 2-place numbers, while the two hole combinations in deck L identify the units digit.

Comparison between Figs. 5 and 6 shows the identity of deck L in Fig. 6 with deck I in Fig. 5 and also the identity between deck I in Fig. 6 and deck L in Fig. 5.

Considering the four subseries of this index series, its distinctive characteristics may be summarized as follows:

(l)` Absencerof periorationsrinvdeclrU identify:

itias the; index series-.1A

(Zi A group ofi four; or: ve holes-1in; either` of.V thetwo lowerr fields identify itV as arr1 alphabetic series A1 or A2.

(3) Thelocationof thefour hole group; identify; it asa loweri case seriesAl if occurring inV deck L and as an upperjcaser series A2Y-ifioccurring inV d'eckl'.

(14X The: grouping of4 thev perforations with. three; in; eit'herofsithe-two lower:- de cksazwill;- ident-iiTyV the subseriesA asiBlD or B2 and the three hole',` grouping will" identifyv the tens digit; of` the:

2:-place; number-V in bothV cases,

(5). Ifi thetens digit is in the lower deck L,

it. identifies' the; series B1 and if the tensdigit.

occurs in deckI itsidentiiies the.` seriesas B2.

It l is` tol be.- particularly noted that the B14 and" B2 seri'es provide for:A recording, twodigits in a single columnwith each digit in'apredeterm-ined deck and withY the' unitsv and' tens digits dis tinguishable.v byI their separate" subcornbinational: charact'eristi'csiA within theirV related k decks.

Referring-:teilig: 18 in which, a recordis'- shownV with perforationsl inf accordance with@v the f coding MAJ O R; SERIES- Figs; '1; 8 9L lfandi 11 illustratefthe: groupingsof thosenverihole combinations that include' a-.single hole in either.- the X.or-Y positions of deck' U; The'r presence of an, X'. hole identiies the,

character:l as: one constituting `the beginningf of' av word; term: orexpression,v that the: beginning off a.. series z of characters that arer to, bey taken to'- getherz-t'o: represent isome valuee or 'quantity'. The presence'A ofai Y4 hole indicates: that the combina'-l tion represents the character within the. word, term or expression,l Thisu may" be; made moreclear after lthe coding' arrangement, for this series hasr been explainedin` detail..

Major series Ez..-'I'his.seriess (Fig. 'D'comprises thoseve holecombinations inwhich one hole occurszin the deck-.U and two;` each in decksI- and; L. There are l'lsuchi comhinations-rinclu'ding;

the X hole;and.-another-hundred;includingV the Y hole, and in each:settthedesignationsare represented asv 2-'placef rnnnhers:` prexed by; au com-maa The only di'erenceisthat, Where theiX indexxposition`l is perforated, theI V combination represents the: 2place1 number andlalso representswthatit: is:

the first: character oft a word, term or expression. In the combination- Where the, Y; holey occurs;v it represents la, .2-placefnumberand' also thatv it is a parttof'the word', termor; expression othe1` than the rst character or symbol thereof. In this series, also the; two digits of the numberrepre-- sented inany `column lcompri-se ther-units digit inl deck I( and thetensxdigit in deck L. The units digit is; represented byg-a twohcrlev combinationY within the five'. positions` of deckI and. the. tens` digit ifs-e,represented by:v the identical two4 hole combinat-ion within the. five; holes of deck L,- so that. the-tens digit islv identified by'itslocaticn in the lower deck a-nd.thereinv diiersfrom'the identiy cationaof the `tens digiti inthe index series B-l.- and B2, where the tensl digitis-identiiiedrby virtue ofA itsrepresentationas a three-hole combination in one of the lower decks,y

M ajor series C1 .-In this series (Fig. 8) are ineluded all the five; hole combinationsoi; which one hole-.occurs in deckA U and thel remaining;v four in*v deck I. Such combinations, are identied, as underscored numerals;forsuperscript purposes.V

Major seriesC2.-In this series(1ig.A 9) are ineluded"` all` the' iiveYV hole: combinations, of which.

one hole-occurs indeckiU andthe remainingfour iny deckt L. Such. combinationsA are identified as underscored.numerals` 5 to-9 for superscript purposes..

Majgorseries D'1.-In this series are grouped-al1,

theriye hole combinations; wherein one hole occurs' inea-ch ofthe two` upperdecks and the ree maining three occurinthe lowermost deck L, and toe-ach:v different combination there Vi-s assigned a characterforrsymbolas indicated in Fig, 10 which inclu-des.. numerals,V lower case letters and thei more common ,symbols-occurring on the keys: of'. welt-known typewriters.

M aior series*D2.-Referring` to Fig; 11 in thi-s. grouping; are` all; the ve hole combinations; in which oneyhole c-ccursfinzdeck U, one holein deck; Land the remaining three# in deck I. This ar; rangement is the same as that of Fig. l() with` transpositionzothe: decks I and L andV with charactersallocatedito the different combinations as shown along the` top margin of the record of. Fig'.` 11;.

Briefly reviewing;v the coding` arrangement for thi'suma-'jor series, its. identity is determinedas' mentionedhereinabovet by thepresence of ahole inthenX or Y; position. The subseries Cl and C21, are'readilyidentiiiableby the fcurhole, arrangesnient within decks Il and L, respectively; the E- series is identifiable by the splitfup of the re maining fourholes with two in eachoi the-lower decks, and the vD1v andIDZseries areidentiablef respectively by the presence of three-ho1e;coin.` binations inthe lower and` intermediate decks. respectively.

Referring to'therecord card (Fig. 18), the exeampleshown therein indicates in column. 6 of the card arr Xa perforation identifying this as la start of a' Word` orexpression andA constituting part .of the five hole combination representing the'upper case-letter'A. They-designations in columns 7, 8; 9,1, and l0 of theY card indicate that these charac-A ters.- are part of the expression beginning with the'ch-aracter identied in column 6 of the card,` and ,examination will show that perforations-in column 7 represent the numeral 6 of the subseries'- Dl, the perforations in Icolumn 8 representthe subscript 3 from the, subseries D2, the perforations in columnV 9` represent the identification ,01 from series Eg, and the perioratiofnsin column V1() represent the` characters ,03- also' in the series. In column ll the combination againzoccurs with thezX hole, indicating that this isthe rst chai-` a-'cter of anotherterrn or expression, and the come binati-on. corresponds to the character Z fro-in seriesiDZ.

Column 12 hasthe Y- hole indicatingthe vcontinuity of' the expression, and the 5-hole. come bination in this columnrepresentsthe letter N ai-so from-theseries D2;

MINOR SERIES This series i-sidentiableas such` by theA presence of a holeor. designation in-both, ofi the infdexpointpositionslr and Y of' the. upper deck U, and. thisseriesr isbroken downinto the` four subseries d'esignatedFl, F2, G-l, G2 Whose combination arrangements-are shown in Figs. 12. and 13.

Minor series` F1 .-This series comprises. those five. hole combinations where three of the-.holes will occur in deck L in addition to the two holes 7 in the U deck. There are ten of these and they are identified as the ten digits preceded by a diagonal as indicated in Fig. 12.

M incr series F2.-This grouping (Fig. 13) com'- prises those combinations where the three holes occur in deck I, and these are designated as digits to 9 employed for superscript purposes.

Minor series G1.-In this series (Fig. 14) the three holes are arranged with two in deck I and one in deck L to provide 50 different combinations indentiiiable by 50 2-place numbers prefixed with a hyphen, of which the units digit is the two hole combination in deck I and the tens digit is the single hole in deck L.

Minor series G2.-Finally, the combinations of live holes in which the three holes not included in deck U are distributed with two in deck L and one in deck I to constitute 50 more combinations identified as 50 2-place numbers for subscript purposes. This G2 subseries is the same as Gl with the decks I and L transposed, maintaining the units digits of the 2-place numbers identifiable by the two hole combination and the tens digit by the single hole.

Referring to Fig. 16 distribution of all the 792 five-hole combinations possible in a 2 position record column is briefly summarized to show ready identification of any particular combination. Thus, for example, the combination con taining two holes in deck U, one hole in deck I and two in deck L constitutes a combination in the G2 subseries. The combination containing no holes in deck U, two holes in deck I and three in deck L constitutes the combination of the subseries B2 and so on.

Referring again to Fig. 18 it is noted that the perforations in column 14 constitute the first character of an expression as denoted by the presence of an X perforation while in column 15 are perforations identifiable as in the minor series G1, representing the subscript 05. The presence of the Y perforation in this combination also serves to identify this as part of the continuous expression commencing with the X hole in column 14 and continuing through to column 17 where another coding in the minor series identifiable as Gl indicates the value or reference 16. Column 18 represents the start of a new expression. The several columns of perforations are readily identifiable as to code and subcode in accordance with the detailed explanation given hereinabove.

THE SORTER STRUCTURE In Fig. 1 there is shown a partial vertical section of a well known electric sorting machine, the basic construction and operation of which are substantially the same as the one described in Patent No. 1,741,985. Inasmuch as the general construction and operation of this machine are now well known in the art only a brief general description will be given herein. It will be understood, however, that the invention is not limited in its application to the specific form of sorting machine disclosed in said patent but may be embodied in other sorting machines.

In order to embody the present invention in a machine like the one disclosed in the above patent, two additional sets of feed rollers are required causing a resulting change in the dimensions of the machine framework to accommodate the additional feed rollers as shown in Patent No. 2,434,487. Aside from these changes little alteration in the mechanical structure of the machine of Patent No. 1,741,985 is required.

8 This lengthening of the frame of the machine by four inches permits a detail card to be analyzed one card cycle before the cycle in which the detail card is sorted into a card pocket as a result of such analysis.

The perforated record cards 50 of the Well known IBM type which are provided with rows and columns of index point positions numbered 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, X and Y are placed face down and with the 9 positions to the left in the card feed hopper 5|. The cards are successively fed from the hopper 5| by means of the usual card pickers 52 between the feed rollers 53 which grip the card and advance it to the left. The card picker 52 is given one reciprocation per card cycle by well known means driven from the main shaft (not shown). The rollers 53 carry the record past the analyzing station A into a position to be gripped by the feed rollers 54.

The analyzing station A comprises an electrical sensing brush 55 and a contact roll 56. The brush 55 may be removably mounted in the carrier 51 which may be moved by hand to bring the sensing brush into position to sense perforations in preselected columns of the record cards as ded scribed in Patent No. 1,741,992.

Prior to the time that the detail card passes from the control of the feed rollers 53, the feed rollers 54 take over the advancement of the card so as to complete the feeding of the card past the analyzing station A and to advance it to the feed rollers 58.

The feed rollers 58 carry each record analyzed by the brush 55 to the left to the position B which corresponds to the analyzing position of the machine described in Patent No. 1,741,985. In the present case the position B will be reached by the leading edge of any sensed detail card at the time when the leading edge of a succeeding record reaches the position A and is about to be traversed by brush 56. In the case of a machine operating according to a 16 point cycle and using standard cards the distance from position A to position B will be exactly four inches since the vertical distance between index point positions of the cards is exactly one fourth of an inch. When any record reaches position B it is about to begin the cycle in which the disposition of such record is to be made in accordance with an analysis made by brush 55 while such record is moving from position A to position B.

After the leading edge of the detail card passes position B, it is engaged by the feed rollers- 59 which advance the card to the first of successive pairs of feed rollers 60, only one pair of which is shown in Fig. l. The feed rollers 6U are instrumental in feeding the card to one of the sorting pockets 6I with only the reject pocket being shown in Fig. l. The pocket into which the card will be deposited depends upon the energization of the sort magnet SM at a differential time of the card cycle. The armature 62 of the sort magnet SM supports the downwardly biased entrance ends of the chute blades 63 where each pair of blades defines a passage for the card leading to a different sorting pocket. If the card moves below all the blades, it goes to the reject pocket. Upon energization of the magnets SM at a differential time of the cycle, it permits those blades unsupported by the armature to drop and open a path for the card to the proper pocket. For a complete understanding of the operation of the armature 52 and the chute blades 63, reference may be had to the above mentioned Patent No. 1,741,985.

`9 CIRCUIT OPERATION The sorting machine `described and `claimed herein "is adapted to :perform regular sorting operations wherein the code used for designating vcharacters is the well known single hole code according to 'which a single 'perforation in vrone of the index positions -9 to 0 of a card column represents the corresponding digital value, inaddition to `performing 'a 4sorting operation upon 'those cardsV bearing' codified "data pursuant to any normally v'open points TCI of Athe thermal coi-l TCA will Vvclose, V thus causing 'a "circuit to be' completed from line lllgline 'lil'3,"contacts TCI nowlclos'ed,

vresistor RR2; and 'time delay relay TD tothe line 'F01 whereby the 'relay TD becomes energized. With the energizationof the relay TD, the conta'ct 'points TDVshift'rom the position shownin lvFig. 2U.` thereby opening lthe circuitthrough the coil TC and 'retaining the "circuit through the relay TD. The use of thethermalcoil is employed for the purpose of preventing the starting ofthe machine until'thelheatingof the iilaments'of the tubes )of the circuit associated with the machine.

'The next step is to momentarily depress the start key which Will'cause a Icomplete Acircuit to be made from the line |00, line lll'ycontacts TD2 now'closed, v'start key r'contacts now closed, card l'control 'relay CCR, motor relay l\'/IR 'to the line 'HH Awhereby the lrelays MR and CCR'areenergized and the associated contacts MRI and MR2 'and-CCR'I 'areclosedcausingithemotor-M to be "placed in a running condition.

With the motor Mbeingy placed in larunrii'ng --condition, fthe `irstdetai'lcard fed from the feed thus creating a holding circui'tior-the Vrelays MR f' Vand. CCR which maybeftrafcedfrom the lineI |00,

line IM; contacts fl'CL'CI -nowclosed, jam "contact JCI normallyclosed, pocket stop 'contactsinormally closed, stop key contacts normally closed,

contacts -CCRI now-'closedA-relays"CCRand MR tothe linei l'ill. "The st'artkey-is-kept in adepressed position until the Acardlever contacts CLCI 'close 'to createthe holding circuit forthe relays MRand CCR. VThi'sholding circuit-enables the start key to vloereturned :to the original 4position thereof and Athe 'machine willibefkept in sa runningcondition untileither the c'ardfeed hopper is empty, ecard pocketbecomesffun, azcard fails 4to feed, uor .the stop "key @is depressed.

`The operation :of the sorting ymachine with "respect to detail .cards .bearing data `in 'codified form pursuant toeitherV the standard single hole code f or the 'new and 'novel coding arrangement described herein'ivill now be describedin detail.

Regular fsor'tintWhen a i numerical standard sortingoperaton .is t'o loe'eie'cted ofall .those detail cards bearing the digit repr'esentatioi1""9, for example, in single-hole lforin, the machine will be conditionedfor suchna'noperation by .the numericalorder 4switches S2 Y(FigfZr and S4 l0 T(Fig. 2e), an'd the code group differentiating 'switch S3 (Fig. 2a) being set to `a normal position `whilethe codeselector switch CSS (Fig. 2f)

is positioned for a standard sorting operation.

The switches S2 and S45 each comprise a tens contact position T, a units contact-position U,

'.anda'norrnallcontact position N,

'During a numerical sorting operation 'for a ltwo digit number represented in a single'column such `as'previously described with respect to the coding series 31,32, E, Gl andGZ, it is necessary that the `numbers be sorted first with 'respect'to the units digit and l.then with respect to vthe tens digit. The setting of the switches `S2 and 'Sii enables `the electrical circuits associated withthe rsorting operation to be .conditioned such that whenthe switchesS2 and Se are each set in the unitscontact position U, a sorting yoperation will be performed on the 'units digit of a two digit number and then when the switches S2 and Se are eachset inthe tens contact .position T, a sorting operation willlbe performed on the tens digitlof a two digit number. V In all other-sorting .operationsthe switch S2 .and Si `are set in the f normal position.

.The `numerical order switches vS2 and S4 have l-beenshownvas/two separate switchesin order to make theoperation of the switches-easier Yto un derstand. In actualpractice the switches SZand S4 are constructed as a complete -unit consist .ing of a Y.pair Tof wiping arms constructe'dand v4arranged tciee commonlyshifted so vasitoengage oneo'i .the 'contacts.T, U `orN of the seriesof fcontacts associated with Aeach arm.

VIn thecodingarrangement..previously described someiof the series combinations are divided into two groups such as subseries AlandAZ, B1 and The positioning of the code group differentiating switch S3- enablesrthose coding Lnotations of Vtwo associatedlgrou-ps `relating to a common designation to vbestored in the same storage tube v.and sorted ntothelsame card pocket.

The -co'de group diierentiating switch Y S3 has twofcontact positions code I and code IIi'n addi- -ti'o'ntoa common normal Contact position N such that when the switch is shifted to l'the lleft the `contacts code I- and -N are engagedby the contact armi-and when---shiftedto the right the contacts rcodelIlI and Nare engaged bythe contact'arin.

The code-`I contactsare connected jointlyto-the code II contacts and contacts U- of 'the switch S2 while the contacts N of switch S3 Jare coupled Ginny to the Contacts T and N of these/itch s2.

-When avalue, such las 8 of vone coding group, is `sensed ina detailscard at Athe time thatthe switch S2 is in the contacts 'position N and the switch VS3 4is engaging, the contacts `code II "and `N, a circuit will be'completedthrough the sensed f perforationfswitches S2 and S3, lineflpthe v'8 segment'of Abrush pulsedistributoriB'PDl to the controlgrid of the storage tube T3. But when a valuefsuch as Sof an associated'coding "group, which occupies a transposed 'position in l'the'detail card from that of the value 8of an associated coding( group, issensed at th'etime thatlthe 'switch 'S2 is in the contacts position N andthe 's'witch'S-B hasbeenshiftedso as to now engage lcontacts code 'II-and a' circuit will `Vloe A'completed through `the sensed "3 perforation, switches S2 and S3, line l, '-3 -segnint of vthe brush Y.pulse distributorBPDZ, which segment 

